Evidence row 56853

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://tailscale.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/tailscale/"
    ]
  ],
  "name": "Tailscale MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T22:38:51.966911Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T22:38:51.966911Z",
        "updatedAt": "2026-10-25T22:38:51.966911Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/tailscale",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://tailscale.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/tailscale",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Tailscale MCP by usefulapi",
      "version": "1.24.0",
      "websiteUrl": "https://usefulapi.io/tailscale/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read devices, users, keys, ACLs and DNS for a tailnet; manage devices, routes and auth keys."
}

What the leaf hashes

{"body":"86de148bccd4f71e8b5275f6f4906813fa38be582273023e77ec1f2464f2d281","id":56853,"kind":"listing","method":"baseline/1","observed_us":1793025440887809,"prev":null,"subject":"mcp_registry:io.usefulapi/tailscale","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x189a40954902ef19bbf5a2c041bcb1e521b4738b5a8f4b04593884534e7c39f4
2. 0x285d54e437197250efcf321b58e60de48b687a7f6a84c77cc33837239e5547c7
3. 0xb2bb8d18962f62e332a70c37e76af5c8f5b32359182c93072cfd470dedbf138d
4. 0xf6b63a865f3ef8131308d078386fed106c5bb6e3490a3eab7bcf90255e1eb718
5. 0x783e0b0fccfafc307eb97adf27dece1c4b18cfdf752f0caa2aadffc614f1e61a
6. 0x534bc8d410c56308f01bcb1fed1a4ac1462ad48f2addca96b109c53ab1097486
7. 0x1b0f03d58f185f84588cca27d9129a76955cc72019fdde206394dc6c04b28729
8. 0x57489ed97f254802732c63b32ffa35358c6b3c71f73079b91824573f0e3021d4
9. 0x34d8518289565739865be381d2d981b9fd7cbacc9818c2721b6412c40c512369
10. 0xcb3e3aedb72ed8e61cbaa8991a4949a4faf974931a0daec4005c2e39529d76a8
11. 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae